def main():
    print("Hello World")
main()
def fileop1():#简单的读写
    with open("fileop1.txt","w+",encoding="utf-8") as f1:
        ori_content = f1.read()
        f1.write("确实挺不错的")
        f1.seek(6,0)
        print(f1.read())
        print(f1.tell())
class student:
    name='徐大帅'
    def sayname(self):
        print(self.name)
studentxu = student()
studentxu.sayname()
print(studentxu.name)ti


